Journal of Energy Storage,
Journal Year:
2024,
Volume and Issue:
97, P. 112990 - 112990
Published: July 20, 2024
This
review
article
explores
the
evolving
landscape
of
lithium-ion
battery
(LIB)
recycling,
emphasizing
critical
role
innovative
technologies
in
addressing
waste
challenges.
It
examines
environmental
hazards
posed
by
used
batteries
and
underscores
importance
effective
recycling
programs
for
sustainability.
Deep
eutectic
solvents
(DESs)
have
emerged
as
promising
candidates
LIB
offering
advantages
selectivity,
efficiency,
The
provides
a
comprehensive
update
on
recent
developments
DESs
utilization
focusing
processing
conditions
mechanism
peculiarities.
highlights
exponential
growth
research
this
area
need
tracking
trends
novel
achievements.
synthesizes
latest
literature,
discussing
emerging
trends,
strategies,
areas
further
research.
aims
to
contribute
advancing
sustainable
solutions
reshaping
future
management.
Mining,
Journal Year:
2025,
Volume and Issue:
5(1), P. 8 - 8
Published: Jan. 13, 2025
This
paper
focuses
on
the
solvometallurgical
properties
of
choline
chloride-based
deep
eutectic
solvents
for
copper
extraction
from
chalcopyrite
concentrate.
The
study,
conducted
with
scientific
rigor,
utilized
response
surface
methodology
to
optimize
process
and
investigate
effects
temperature
contact
time
recovery
efficiency.
results
showed
that
ChCl-EG-Ox
solvent
at
80
°C
48
h
produced
highest
rate,
exceeding
76%.
underscores
potential
sustainable
metal
extraction.
Kinetic
studies
revealed
influence
dissolution
kinetics,
higher
temperatures
leading
faster
reaction
rates.
mineralogical
analysis
demonstrated
changes
in
concentrate
after
dissolution,
while
spectroscopy
mass
spectrometry
highlighted
esterification
reactions
solvent.
study
also
examined
adding
water
heating
solvent’s
behavior,
providing
insights
into
chemical
interactions
structural
changes.
Ultimately,
research
ChCl-based
present
a
promising
avenue
environmentally
friendly
efficient
processes
metallurgical
industry.
Small,
Journal Year:
2023,
Volume and Issue:
19(50)
Published: Aug. 24, 2023
Abstract
Sodium
superionic
conductor
(NASICON)‐type
Na
3
V
2
(PO
4
)
has
attracted
considerable
interest
owing
to
its
stable
three‐dimensional
framework
and
high
operating
voltage;
however,
it
suffers
from
a
low‐energy
density
due
the
poor
intrinsic
electronic
conductivity
limited
redox
couples.
Herein,
partial
substitution
of
Mn
3+
for
in
is
proposed
activate
4+
/V
5+
couple
boosting
energy
cathodes
(Na
2‒
x
).
With
introduction
into
,
band
gap
significantly
reduced
by
1.406
eV
thus
greatly
enhanced.
The
successive
conversions
four
oxidation
states
(V
2+
are
also
successfully
achieved
voltage
window
1.4–4.0
V,
corresponding
three
electrons
involved
reversible
reaction.
Consequently,
cathode
with
=
0.5
exhibits
discharge
capacity
170.9
mAh
g
−1
at
C
an
ultrahigh
577
Wh
kg
.
Ex‐situ
x‐ray
diffraction
(XRD)
analysis
reveals
that
sodium‐storage
mechanism
Mn‐doped
consists
single‐phase
bi‐phase
reactions.
This
work
deepens
understanding
activation
three‐electron
reaction
NASICON‐structured
polyanionic
phosphates
provides
feasible
strategy
develop
high‐energy‐density
sodium‐ion
batteries.
